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Windows 7: SSDs in RAID 0


21 Jun 2011   #1

Windows 7 64-bit Professional SP1
 
 
SSDs in RAID 0

I'm thinking about setting up some SSD's in RAID 0 and I had a few questions.

So am I to understand that if a Crucial M4 reads at 415 MB/s that if you RAID them that it would theoretically equal 830 MB/s? Or are there safeguards put in place where you can't just put ten of them in RAID 0 and have the drives reading at a blazing 4.15 GB/s?

Also how is TRIM support for RAID 0? Would I have any issues there? Another thing I wanted to ask was what are the advantages of running RAID off a PCI-e card versus running it through your motherboard's onboard SATA ports?

Thanks.


My System SpecsSystem Spec
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21 Jun 2011   #2
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

1. you cannot just add it up. You loose some in the raid control - about 10%.
2. there is no Trim in Raid0
3. if you think that will speed up your OS, it is not going to happen. For the OS the R/W speed is pretty irrelevant. It is the access time that counts and that is the same in Raid or single SSD.
4. PCI-4x has a throughput of 10Gb/sec versus 3 or 6Gb/sec for the Sata ports.
5. A 10-fold Raid will be limited by the max. capability of the ports - about 300 or 600MB/sec for Sata.
My System SpecsSystem Spec
22 Jun 2011   #3

Windows 7 64-bit Professional SP1
 
 

I guess I'll just stick with one SSD for now. Thanks.
My System SpecsSystem Spec
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 SSDs in RAID 0




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